Question
List five characteristics by which compounds can be distinguished from mixtures.
MIXTURES | COMPOUNDS | ||
i | A mixture can be separated into constituents by the physical processes. | i | A compound cannot be separatwd into its constituents by the physical processes. |
ii | A mixture shows the properties its contituents. | ii | The properties of a compound are entirely different from those of its constituents. |
iii | Energy is usually neither given out nor absorbed in the preparation of a mixture. | iii | Energy is usually given or absorbed during the preparation of a compound. |
iv | The composition of a mixture is variable. | iv | The composition of a compound is fixed. |
v | A mixture does not have a fixed melting point, boiling point, etc. | v | A compound has a fixed melting boiling point etc. |
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